Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Back to listJul 18, 2024 12:04

Matt Stuchlik

Score: 5,492

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 18, 2024 12:03	5,437	41,409,472	16,374,000	1,023,000	2,289,664
2	Jul 18, 2024 12:04	5,452	40,027,616	16,421,000	1,026,000	2,289,664
3	Jul 18, 2024 12:03	5,452	39,782,304	16,419,000	1,026,000	2,281,472
4	Jul 18, 2024 12:04	5,453	34,897,579	16,422,000	1,026,000	2,265,088
5	Jul 18, 2024 12:03	5,454	43,910,825	16,426,000	1,026,000	2,289,664
6	Jul 18, 2024 12:03	5,454	40,428,877	16,426,000	1,026,000	2,527,232
7	Jul 18, 2024 12:03	5,455	48,175,806	16,431,000	1,026,000	2,289,664
8	Jul 18, 2024 12:03	5,455	39,942,949	16,429,000	1,026,000	2,269,184
9	Jul 18, 2024 12:04	5,457	41,328,920	17,462,000	0	2,269,184
10	Jul 18, 2024 12:04	5,458	39,183,661	16,440,000	1,027,000	2,289,664
11	Jul 18, 2024 12:04	5,461	34,678,271	17,474,000	0	2,289,664
12	Jul 18, 2024 12:04	5,462	42,518,658	16,449,000	1,028,000	2,269,184
13	Jul 18, 2024 12:04	5,462	42,857,613	17,477,000	0	2,289,664
14	Jul 18, 2024 12:04	5,463	38,617,401	16,455,000	1,028,000	2,273,280
15	Jul 18, 2024 12:04	5,463	33,420,452	17,483,000	0	2,289,664
16	Jul 18, 2024 12:04	5,468	39,476,819	16,467,000	1,029,000	2,269,184
17	Jul 18, 2024 12:04	5,471	38,178,629	16,478,000	1,029,000	2,289,664
18	Jul 18, 2024 12:04	5,476	43,684,533	16,494,000	1,030,000	2,289,664
19	Jul 18, 2024 12:04	5,480	41,381,064	16,506,000	1,031,000	2,531,328
20	Jul 18, 2024 12:04	5,481	41,716,857	16,509,000	1,031,000	2,289,664
21	Jul 18, 2024 12:04	5,483	43,639,378	16,514,000	1,032,000	2,289,664
22	Jul 18, 2024 12:04	5,483	38,759,065	17,546,000	0	2,289,664
23	Jul 18, 2024 12:04	5,483	37,562,400	16,512,000	1,032,000	2,289,664
24	Jul 18, 2024 12:04	5,485	39,505,931	17,552,000	0	2,289,664
25	Jul 18, 2024 12:04	5,492	40,106,437	16,540,000	1,033,000	2,285,568
26	Jul 18, 2024 12:04	5,493	36,033,415	16,543,000	1,033,000	2,289,664
27	Jul 18, 2024 12:04	5,496	39,312,809	16,554,000	1,034,000	2,371,584
28	Jul 18, 2024 12:04	5,499	44,079,102	16,561,000	1,035,000	2,527,232
29	Jul 18, 2024 12:04	5,501	42,662,127	16,569,000	1,035,000	2,289,664
30	Jul 18, 2024 12:03	5,505	45,078,743	16,580,000	1,036,000	2,269,184
31	Jul 18, 2024 12:04	5,507	35,988,409	16,585,000	1,036,000	2,269,184
32	Jul 18, 2024 12:04	5,508	44,097,653	16,589,000	1,036,000	2,285,568
33	Jul 18, 2024 12:04	5,511	35,458,281	16,599,000	1,037,000	2,289,664
34	Jul 18, 2024 12:03	5,511	41,171,762	17,636,000	0	2,265,088
35	Jul 18, 2024 12:03	5,534	44,807,965	15,743,000	1,967,000	2,273,280
36	Jul 18, 2024 12:04	5,547	33,377,963	17,751,000	0	2,289,664
37	Jul 18, 2024 12:04	5,679	79,788,364	18,172,572	0	2,179,072
38	Jul 18, 2024 12:04	5,679	88,884,636	18,173,231	0	2,301,952
39	Jul 18, 2024 12:03	5,686	86,216,356	18,196,536	0	2,301,952
40	Jul 18, 2024 12:03	5,688	77,190,201	18,201,314	0	2,297,856
41	Jul 18, 2024 12:04	5,693	71,664,417	18,216,266	0	2,297,856
42	Jul 18, 2024 12:04	5,693	98,145,998	18,218,264	0	2,301,952
43	Jul 18, 2024 12:04	5,702	90,313,252	18,246,440	0	2,297,856
44	Jul 18, 2024 12:04	5,719	83,333,410	18,301,370	0	2,179,072
45	Jul 18, 2024 12:04	5,720	82,063,730	18,304,443	0	2,301,952
46	Jul 18, 2024 12:03	5,723	94,421,942	18,314,555	0	2,301,952
47	Jul 18, 2024 12:04	5,726	61,521,002	18,324,657	0	2,310,144
48	Jul 18, 2024 12:04	5,765	91,136,956	18,446,665	0	2,293,760

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1